bootp.h revision 199767f8919635c4928607450d9e0abb932109ce
/* $NetBSD: bootp.h,v 1.4 1997/09/06 13:55:57 drochner Exp $ */
/*
* Bootstrap Protocol (BOOTP). RFC951 and RFC1048.
*
* This file specifies the "implementation-independent" BOOTP protocol
* information which is common to both client and server.
*
* Copyright 1988 by Carnegie Mellon.
*
* Permission to use, copy, modify, and distribute this program for any
* purpose and without fee is hereby granted, provided that this copyright
* and permission notice appear on all copies and supporting documentation,
* the name of Carnegie Mellon not be used in advertising or publicity
* pertaining to distribution of the program without specific prior
* permission, and notice be given in supporting documentation that copying
* and distribution is by permission of Carnegie Mellon and Stanford
* University. Carnegie Mellon makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* $FreeBSD$
*/
struct bootp {
unsigned char bp_op; /* packet opcode type */
unsigned char bp_htype; /* hardware addr type */
unsigned char bp_hlen; /* hardware addr length */
unsigned char bp_hops; /* gateway hops */
unsigned int bp_xid; /* transaction ID */
unsigned short bp_secs; /* seconds since boot began */
unsigned short bp_flags;
#ifdef SUPPORT_DHCP
#define BOOTP_VENDSIZE 312
#else
#define BOOTP_VENDSIZE 64
#endif
};
/*
* UDP port numbers, server and client.
*/
#define IPPORT_BOOTPS 67
#define IPPORT_BOOTPC 68
#define BOOTREPLY 2
#define BOOTREQUEST 1
/*
* Vendor magic cookie (v_magic) for CMU
*/
#define VM_CMU "CMU"
/*
* Vendor magic cookie (v_magic) for RFC1048
*/
/*
* RFC1048 tag values used to specify what information is being supplied in
* the vendor field of the packet.
*/
#define TAG_PAD ((unsigned char) 0)
#define TAG_SUBNET_MASK ((unsigned char) 1)
#define TAG_TIME_OFFSET ((unsigned char) 2)
#define TAG_GATEWAY ((unsigned char) 3)
#define TAG_TIME_SERVER ((unsigned char) 4)
#define TAG_NAME_SERVER ((unsigned char) 5)
#define TAG_DOMAIN_SERVER ((unsigned char) 6)
#define TAG_LOG_SERVER ((unsigned char) 7)
#define TAG_COOKIE_SERVER ((unsigned char) 8)
#define TAG_LPR_SERVER ((unsigned char) 9)
#define TAG_IMPRESS_SERVER ((unsigned char) 10)
#define TAG_RLP_SERVER ((unsigned char) 11)
#define TAG_HOSTNAME ((unsigned char) 12)
#define TAG_BOOTSIZE ((unsigned char) 13)
#define TAG_DUMPFILE ((unsigned char) 14)
#define TAG_DOMAINNAME ((unsigned char) 15)
#define TAG_SWAPSERVER ((unsigned char) 16)
#define TAG_ROOTPATH ((unsigned char) 17)
#ifdef SUPPORT_DHCP
#define TAG_REQ_ADDR ((unsigned char) 50)
#define TAG_LEASETIME ((unsigned char) 51)
#define TAG_OVERLOAD ((unsigned char) 52)
#define TAG_DHCP_MSGTYPE ((unsigned char) 53)
#define TAG_SERVERID ((unsigned char) 54)
#define TAG_PARAM_REQ ((unsigned char) 55)
#define TAG_MSG ((unsigned char) 56)
#define TAG_MAXSIZE ((unsigned char) 57)
#define TAG_T1 ((unsigned char) 58)
#define TAG_T2 ((unsigned char) 59)
#define TAG_CLASSID ((unsigned char) 60)
#define TAG_CLIENTID ((unsigned char) 61)
#endif
#define TAG_END ((unsigned char) 255)
#ifdef SUPPORT_DHCP
#define DHCPDISCOVER 1
#define DHCPOFFER 2
#define DHCPREQUEST 3
#define DHCPDECLINE 4
#define DHCPACK 5
#define DHCPNAK 6
#define DHCPRELEASE 7
#endif
/*
* bootp flags
*/
/*
* "vendor" data permitted for CMU bootp clients.
*/
struct cmu_vend {
};
/* v_flags values */